Improve support for ppc64le architecture (#4203)

Includes CI and arch-specific npm package

.github/workflows/ci.yml

@@ -144,6 +144,13 @@ jobs:
             nodejs_hostname: nodejs.org
             nodejs_version: "18.17.0"
             nodejs_version_major: 18
+          - platform: linux-ppc64
+            distro: bullseye
+            run_on_arch: ppc64le
+            nodejs_arch: ppc64le
+            nodejs_hostname: nodejs.org
+            nodejs_version: "18.17.0"
+            nodejs_version_major: 18
     steps:
       - uses: actions/checkout@v4
       - uses: uraimo/run-on-arch-action@v2

docs/install.md

@@ -40,6 +40,7 @@ Ready-compiled sharp and libvips binaries are provided for use on the most commo
 * macOS ARM64
 * Linux ARM (glibc >= 2.28)
 * Linux ARM64 (glibc >= 2.26, musl >= 1.2.2)
+* Linux ppc64 (glibc >= 2.31)
 * Linux s390x (glibc >= 2.31)
 * Linux x64 (glibc >= 2.26, musl >= 1.2.2, CPU with SSE4.2)
 * Windows x64

npm/linux-ppc64/package.json

@@ -0,0 +1,46 @@
+{
+  "name": "@img/sharp-linux-ppc64",
+  "version": "0.33.5",
+  "description": "Prebuilt sharp for use with Linux (glibc) ppc64",
+  "author": "Lovell Fuller <npm@lovell.info>",
+  "homepage": "https://sharp.pixelplumbing.com",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/lovell/sharp.git",
+    "directory": "npm/linux-ppc64"
+  },
+  "license": "Apache-2.0",
+  "funding": {
+    "url": "https://opencollective.com/libvips"
+  },
+  "preferUnplugged": true,
+  "optionalDependencies": {
+    "@img/sharp-libvips-linux-ppc64": "1.0.4"
+  },
+  "files": [
+    "lib"
+  ],
+  "publishConfig": {
+    "access": "public"
+  },
+  "type": "commonjs",
+  "exports": {
+    "./sharp.node": "./lib/sharp-linux-ppc64.node",
+    "./package": "./package.json"
+  },
+  "engines": {
+    "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+  },
+  "config": {
+    "glibc": ">=2.31"
+  },
+  "os": [
+    "linux"
+  ],
+  "libc": [
+    "glibc"
+  ],
+  "cpu": [
+    "ppc64"
+  ]
+}

package.json

@@ -148,6 +148,7 @@
     "@img/sharp-libvips-darwin-x64": "1.0.4",
     "@img/sharp-libvips-linux-arm": "1.0.5",
     "@img/sharp-libvips-linux-arm64": "1.0.4",
+    "@img/sharp-libvips-linux-ppc64": "1.0.4",
     "@img/sharp-libvips-linux-s390x": "1.0.4",
     "@img/sharp-libvips-linux-x64": "1.0.4",
     "@img/sharp-libvips-linuxmusl-arm64": "1.0.4",

test/unit/libvips.js

@@ -138,7 +138,7 @@ describe('libvips binaries', function () {
     });
     it('arch', () => {
       const [, arch] = libvips.runtimePlatformArch().split('-');
-      assert.strict(['arm', 'arm64', 'ia32', 'x64'].includes(arch));
+      assert.strict(['arm', 'arm64', 'ia32', 'x64', 'ppc64'].includes(arch));
     });
     it('isUnsupportedNodeRuntime', () => {
       assert.strictEqual(libvips.isUnsupportedNodeRuntime(), undefined);